Home / 96,897.40-145,346.10-91,713.40

Finding the Fourth Proportional to 96,897.40, 145,346.10 and 91,713.40

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Solution

The fourth proportional to 96,897.40, 145,346.10 and 91,713.40 is: 137,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,897.40 : 145,346.10 = 91,713.40 : x
  2. Step 2: Convert to fraction form
    96,897.40/145,346.10 = 91,713.40/x
  3. Step 3: Cross multiply
    96,897.40x = 145,346.10 × 91,713.40
  4. Step 4: Simplify right side
    96,897.40x = 13,330,185,007.74
  5. Step 5: Solve for x
    x = 13,330,185,007.74/96,897.40
  6. Step 6: Final answer
    x = 137,570.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.